Question about Panasonic TCP46S1 46 HDTV Plasma TV

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Can I change the y sus board on my panasonic 46 inch plasma vieara

Part number tnpa4782ac if I can locate this part is this an easy install ?

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Actually this is a very skilled work. Anyway just check this link and see whether you can do it by yourself or not. It has detailed descriptions with illustration.

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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1 Answer

Horizontal Band of Thin Red and Blue Lines on Screen


Sound like your Y-Sustain board has one foot in the grave. The Y upper buffer and Y lower buffer boards go when the Y Sus Goes too...

Mar 22, 2014 | Panasonic TCP46C2 46 in Plasma TV

1 Answer

How do you test panasonic buffer boards TNPA4784 and TNPA4785


There is no check with these boards. Replace them with new one and make confirm the fault.

Aug 28, 2012 | Panasonic VIERA S1 Series TC-P42S1 42-Inch...

1 Answer

I have the 50 inch panasonic for only 12 months and have red light blinking 7 times


Hi, one of three boards are the culprits. SC, SU and SD boards. (Y sus and the drivers). Possibly but very very rare, the panel could have blown those boards out.

Apr 10, 2011 | Panasonic VIERA TH-65PV500 65 in. Plasma...

1 Answer

Panasonic 42 inch plasma has alternating colorbars with noise all the time.


This is a combination of the mainboard and y-sus and x-sus. Plasmas are very difficult to repair because of the cost involved. I would try and part out what you can and get an lcd with led backlighting. The led backlit tv will be way more efficient and you'll enjoy a nice picture.


I wish I could be better help in fixing it, but I've attempted repair of 100 plasmas with only 10 successful attempts!



Please rate if this has helped! :)

Mar 07, 2011 | Panasonic TH-42PX50U 42 in. Plasma HDTV

1 Answer

Just yesterday, my Panasonic TH-50PX75U HDTV Plasma Television has only the lower half displayed. The upper half "flickers" but for the most part, dark grey/black. wtf


There are several possibilities here. Four different boards are involved in the horizontal scan of a plasma tv. The most likely order of failure for what you describe is; SC board, Su and SD, and finally the SS. These are Panasonic's names for what are more commonly known as the Y Main (or Y-Sus), the upper and lower Y buffer boards, and the Z main (or Z-Sus). Sorry I can't boil it down any further for you,... would have to measure voltages, etc.

Jul 09, 2010 | Panasonic TH-50PX75U Plasma HDTV

2 Answers

Samsung ps42p3s plasma tv no picture audio ok please tell me what i can do or tell me what part i can change


According your description, check fuse of Y SUS board, if not Ok, change it; also check Z SUS board

May 19, 2010 | Televison & Video

3 Answers

Picture covered with big block of black - 3/4 of the screen ???


It sounds like your tv may require a plasma panel, but to be sure remove the back of the tv unit and check the y-sus printed circuit board as well as the z-sus printed circuit board, check that they are getting the correct voltage and that there are no blown compoments on the boards themselves. The boards names, z-sus and y-sus are written on the board as well as the voltages are listed down the side of where the plugs at the boards meet. Good Luck. Oh , and also, check with LG that it doesnt require a software upgrade.

Dec 02, 2009 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Black bars on top and bottom of screen when watching a dvd 50 inch plasma


The most likely thing i have found is to replace the Plasma panel , which is expensive, or u can try replacing the x-sus printed circuit board or the y-sus printed circuit board. Good Luck.

Nov 15, 2009 | Samsung HP-R5072 50 in. Plasma HDTV

2 Answers

1/2 the screen goes black


vera partner what you have is a problem of poor voltage or damaged card card check your x that is the bottom of the plasma must consist of at least four cards

Aug 21, 2009 | LG DU-42PX12XC 42 in. Plasma HDTV

1 Answer

Haier tv video problems


Hello,

First of all you have to find out whether this unit has been upgraded with a new software or not?
If this unit is upgraded with new software either you have problem in Y-sus board or Z-sus board.

If this unit is having problem for the first time I would recommend to Change the Service Kit
Part number is TV-3940-01.
This kit contains E-prom,Y-sus board, Z-sus board and Control board you have to change these 3 boards together with E-prom IC.


Dont Forget to Rate!

Good Luck
Dals123

Oct 17, 2008 | Haier 42EP24S 42 in. EDTV-Ready Plasma...

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